/*
 * Copyright 2010 Aekold Helbrass
 * 
 * This file is part of RosterComposer.
 * 
 * RosterComposer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * RosterComposer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with RosterComposer.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.heresylabs.rostercomposer.actions;

import java.awt.event.ActionEvent;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import javax.swing.AbstractAction;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import org.heresylabs.rostercomposer.ComposerFrame;
import org.heresylabs.rostercomposer.units.Army;
import org.heresylabs.rostercomposer.units.ArmyReader;

/**
 *
 * @author Aekold Helbrass <Helbrass@gmail.com>
 */
public class LoadArmyAction extends AbstractAction {

    private final JDialog parentDialog;

    public LoadArmyAction(JDialog parent) {
        this.parentDialog = parent;
        putValue(NAME, "Load Army...");
        putValue(SHORT_DESCRIPTION, "Load Army description from file");
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        File file = selectFile();
        if (file == null || !file.exists()) {
            return;
        }
        try {
            InputStream in = new BufferedInputStream(new FileInputStream(file));
            Army army = new ArmyReader().readArmy(in);
            in.close();
            if (army != null) {
                parentDialog.dispose();
                new ComposerFrame(army);
            }
        }
        catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private File selectFile() {
        JFileChooser fc = new JFileChooser();
        fc.setDialogType(JFileChooser.OPEN_DIALOG);
        fc.setMultiSelectionEnabled(false);

        if (fc.showOpenDialog(parentDialog) != JFileChooser.APPROVE_OPTION) {
            return null;
        }

        File file = fc.getSelectedFile();
        return file;
    }

}
